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Tree and presence/absence matrix for virulence genes target detected in STEC (A) and EPEC (B) strains. The trees were generated using the heat map hierarchical clustering method with the R software (GitHub). Black or white squares in matrices indicate the presence or absence of a virulence gene target, respectively. The virulence gene targets eibG, F6/F987P gene (fasA), F18/F107 gene (fedA), F41 gene (fimF41a), cdt-III, lt (elt), cnf1, cnf2, and aggR are not listed in this figure.
